package xiaocao.learn.java.io;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class SystemInExample {
	
	public static void main(String[] args) throws IOException {
		
		BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
		String s = "";
		while((s = stdin.readLine()) != null && s.length() != 0) {
			System.out.println(s);
		}
		
	}

}
